forked from OSchip/llvm-project
2ebe6d08cd
As with the prefetch intrinsic to which it maps, simply have dcbt marked as reading from and writing to its arguments instead of having unmodeled side effects. While this might cause unwanted code motion (because aliasing checks don't really capture cache-line sharing), it is more important that prefetches in unrolled loops don't block the scheduler from rearranging the unrolled loop body. llvm-svn: 171073 |
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